/*用export把方法暴露出来*/
/*设置cookie*/
export function setCookie(c_name,value,expire) {
    var date=new Date()
    date.setSeconds(date.getSeconds()+expire)
    document.cookie=c_name+ "="+escape(value)+"; expires="+date.toGMTString()
    //console.log(document.cookie)
  }
  /*获取cookie*/
  export function getCookie(c_name){
    if (document.cookie.length>0){
      let c_start=document.cookie.indexOf(c_name + "=")
      if (c_start!=-1){
        c_start=c_start + c_name.length+1
        let c_end=document.cookie.indexOf(";",c_start)
        if (c_end==-1) c_end=document.cookie.length
        return unescape(document.cookie.substring(c_start,c_end))
      }
    }
    return ""
  }
  /*删除cookie*/
  export function delCookie(c_name){
    setCookie(c_name, "", -1)
  }
  